Home / 190,708.68-263,182.26-105,824.52

Finding the Fourth Proportional to 190,708.68, 263,182.26 and 105,824.52

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Solution

The fourth proportional to 190,708.68, 263,182.26 and 105,824.52 is: 146,040.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,708.68 : 263,182.26 = 105,824.52 : x
  2. Step 2: Convert to fraction form
    190,708.68/263,182.26 = 105,824.52/x
  3. Step 3: Cross multiply
    190,708.68x = 263,182.26 × 105,824.52
  4. Step 4: Simplify right side
    190,708.68x = 27,851,136,337.02
  5. Step 5: Solve for x
    x = 27,851,136,337.02/190,708.68
  6. Step 6: Final answer
    x = 146,040.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.